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multiplication cleanup

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FeralChild64 committed 2020-02-27 19:46:49 +01:00
1 parent 9f29d058dd
commit e11bfe5a87
3 files changed
+28 -28
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c64/basic/math/mul_FAC2_FAC1_shift.s
+22
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@@ -0,0 +1,22 @@
// #LAYOUT# STD * #TAKE
// #LAYOUT# * BASIC_0 #TAKE
// #LAYOUT# * * #IGNORE
//
// Shift RESHO by one byte - for multiplication
//
mul_FAC2_FAC1_shift:
lda RESHO+3
sta RESHO+4
lda RESHO+2
sta RESHO+3
lda RESHO+1
sta RESHO+2
lda RESHO+0
sta RESHO+1
lda #$00
sta RESHO+0
rts